All links and images can be found on CISO Series.

This week’s episode is hosted by David Spark, producer of CISO Series and Jerich Beason, CISO, WM. Joining them on stage is Jack Leidecker, CISO, Gong. This episode was recorded live at HOU SEC CON 2025.

In this episode:

• The open source sustainability problem
• AI levels the geopolitical playing field
• Cutting through AI vendor hype
• Why the fundamentals still hurt

Thanks to Erik Bloch from Illumio for providing our "What's Worse" scenario.

Huge thanks to our sponsor, Vorlon Security

SaaS data moves fast—Vorlon gives security teams the context to move faster. Vorlon combines posture and secrets management, data flow visibility, and detection and response —
so you can see the full picture: what’s connected, what’s at risk,
and what needs immediate action. Learn more at https://vorlon.io/

All links and images can be found on CISO Series.

This week's episode is hosted by David Spark, producer of CISO Series and Dan Walsh, CISO, Datavant. Joining them is our sponsored guest, Rob Allen, chief product officer, ThreatLocker.

In this episode:

• When EDR gets knocked out
• Red flags in vendor theater
• Configuration chaos
• The sticker problem

Huge thanks to our sponsor, ThreatLocker

ThreatLocker® Defense Against Configurations continuously scans endpoints to uncover misconfigurations, weak firewall rules, and risky settings that weaken defenses. With compliance mapping, daily updates, and actionable remediation in one dashboard, it streamlines hardening, reduces attack surfaces, and strengthens security. Learn more at threatlocker.com.

All links and images can be found on CISO Series.

This week’s episode is hosted by David Spark, producer of CISO Series and Andy Ellis, principal of Duha. Joining us is our sponsored guest, Khush Kashyap, senior director, GRC, Vanta.

In this episode:

• Skip the Sermon

• When to coach versus command

• Making risk quantification useful

• Recognizing a distinct discipline

Huge thanks to our sponsor, Vanta

All links and images can be found on CISO Series.

This week’s episode is hosted by David Spark, producer of CISO Series and Andy Ellis (@csoandy), principal of Duha. Joining them is Daniel Liber, CISO, Monday.com.

In this episode:

• AI security's blind spot problem
• Vendors don't understand the assignment
• Marketing budgets overshadow actual innovation
• Accuracy versus effectiveness

Huge thanks to our sponsor, Material Security

All links and images can be found on CISO Series.

This week’s episode is hosted by David Spark, producer of CISO Series and Mike Johnson, CISO, Rivian. Joining them is Pavi Ramamurthy, global CISO and CIO, Blackhawk Network.

In this episode:

• We can't promise safe, but we can promise ready
• Are we accidentally building security nightmares?
• Being held accountable for things you had no say in
• The safe space problem in vendor evaluation

Huge thanks to our sponsor, Adaptive Security

All links and images can be found on CISO Series.

This week’s episode is hosted by David Spark, producer of CISO Series and Mike Johnson, CISO, Rivian. Joining them is Erwin Lopez, CISO, SLAC National Accelerator Laboratory.

In this episode:

• The AI experimentation phase isn't optional
• When selling security becomes the hardest part of the job
• Threat actors aren't hacking in anymore
• We build, we bond, and we can't bear to let go

Huge thanks to our sponsor, ThreatLocker

Human error remains one of the top cybersecurity threats. Just one wrong click can open the door to ransomware or data loss. With ThreatLocker, unauthorized apps, scripts, and devices are blocked before they can ever run. See how ThreatLocker can help you gain more control over your environment. Learn more at Threatlocker.com/CISO

All links and images can be found on CISO Series.

This week’s episode is hosted by David Spark, producer of CISO Series and Andy Ellis, principal of Duha. Joining us is our sponsored guest, Brian Long, CEO, Adaptive Security.

In this episode:

• Hiring North Korean operatives on a Tuesday
• AI coding and the death of specifications
• Deepfake personas beyond video calls
• The middleman problem with SMS

Huge thanks to our sponsor, Adaptive Security

All links and images can be found on CISO Series.

This week’s episode is hosted by David Spark, producer of CISO Series and Andy Ellis, principal of Duha. Joining us is Jason Loomis, CISO, Freshworks.

In this episode:

• Making organizations take their security medicine
• Building CISO support systems
• Holding the door for humans
• Underappreciated risks: beyond the headlines

Huge thanks to our sponsor, Safe Security

SAFE is the category leader in Cyber Risk Quantification (CRQ) and the first vendor to deliver fully autonomous Third-Party Risk Management.We help CISOs, GRC, and TPRM leaders continuously and efficiently quantify, prioritize, and mitigate cyber risks across their entire attack surface — enabling digital growth and resilience. Learn more at tprmdemo.safe.security.